835
FZUS51 KBOX 281704
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
104 PM EDT SAT MAR 28 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 25 NM
ANZ200-290600-
104 PM EDT SAT MAR 28 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
A LARGE HIGH PRES TO THE W WILL LEAD TO N TO NE WINDS TODAY, BUT NOT
NEARLY AS STRONG. TRANQUIL BOATING WEATHER LINGERS INTO EARLY NEXT
WEEK AS A HIGH PRES MOVE OFFSHORE THE MID ATLC COAST. A LOW PRES
MOVING ACROSS THE GREAT LAKES INTO THE SAINT LAWRENCE VALLEY FOR WED
MAY BRING SOME SHOWERS TO THE WATERS.
ANZ250-290600-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
104 PM EDT SAT MAR 28 2026
THIS AFTERNOON
N WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: E 3 FT AT 7 SECONDS.
TONIGHT
S WINDS 10 TO 15 KT, BECOMING NW WITH GUSTS UP TO
20 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT
5 SECONDS AND NW 2 FT AT 3 SECONDS.
SUN
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP
TO 30 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 4 SECONDS AND NE 1 FOOT AT 5 SECONDS.
SUN NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E 1 FOOT AT
8 SECONDS.
MON AND MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT 4 SECONDS AND E 1 FOOT AT
8 SECONDS.
TUE
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SE 4 FT AT 5 SECONDS AND E 1 FOOT AT
8 SECONDS. A CHANCE OF RAIN.
TUE NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS
4 TO 6 FT. A CHANCE OF RAIN.
WED
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
7 FT. A CHANCE OF RAIN.
WED NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT. RAIN LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ251-290600-
MASSACHUSETTS BAY AND IPSWICH BAY-
104 PM EDT SAT MAR 28 2026
THIS AFTERNOON
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: N 3 FT AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING NW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND NE 2 FT AT
6 SECONDS.
SUN
SW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 3 SECONDS AND NE 1 FOOT
AT 5 SECONDS.
SUN NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 1 FOOT AT
4 SECONDS.
MON AND MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND E 1 FOOT AT
8 SECONDS.
TUE
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 3 FT AT 4 SECONDS AND S 2 FT AT 8 SECONDS.
A CHANCE OF RAIN.
TUE NIGHT AND WED
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 5 FT. A CHANCE OF RAIN.
WED NIGHT
NW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. RAIN LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ231-290600-
CAPE COD BAY-
104 PM EDT SAT MAR 28 2026
THIS AFTERNOON
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT AT 5 SECONDS AND SE 1 FOOT
AT 8 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT AT 5 SECONDS AND
SE 1 FOOT AT 8 SECONDS.
SUN
W WINDS 5 TO 10 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT
AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SUN NIGHT
SW WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT. SEAS
AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND NE 1 FOOT AT
5 SECONDS.
MON AND MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND E 1 FOOT
AT 8 SECONDS.
TUE
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND S 2 FT AT 9 SECONDS. A
CHANCE OF RAIN.
TUE NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT.
WED
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. A CHANCE OF RAIN.
WED NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. RAIN LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ254-290600-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
104 PM EDT SAT MAR 28 2026
THIS AFTERNOON
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: N 4 FT AT 5 SECONDS AND S 2 FT AT
8 SECONDS.
TONIGHT
NW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND SE
2 FT AT 8 SECONDS.
SUN
W WINDS AROUND 10 KT, BECOMING SW 15 TO 20 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW
3 FT AT 4 SECONDS AND NE 2 FT AT 5 SECONDS.
SUN NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E 2 FT AT
8 SECONDS.
MON AND MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 5 SECONDS AND SE 4 FT AT
8 SECONDS.
TUE
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: S 5 FT AT 8 SECONDS AND S 4 FT AT 5 SECONDS.
TUE NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
5 TO 8 FT.
WED
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 6 TO
9 FT. A CHANCE OF RAIN.
WED NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. RAIN LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ255-290600-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
104 PM EDT SAT MAR 28 2026
THIS AFTERNOON
N WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: N 3 FT AT 5 SECONDS AND S 3 FT AT 8 SECONDS.
TONIGHT
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND
NE 2 FT AT 5 SECONDS.
SUN
NW WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: W 4 FT
AT 5 SECONDS AND NE 2 FT AT 5 SECONDS.
SUN NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND NE 1 FOOT AT
5 SECONDS.
MON
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. WAVE DETAIL: SW 7 FT AT 7 SECONDS AND SE 7 FT AT 9 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL:
SW 6 FT AT 8 SECONDS AND SW 1 FOOT AT 4 SECONDS.
TUE
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT.
TUE NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
7 TO 10 FT.
WED
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 7 TO
10 FT. A CHANCE OF RAIN.
WED NIGHT
W WINDS 25 TO 30 KT. SEAS 6 TO 9 FT. RAIN LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ256-290600-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
104 PM EDT SAT MAR 28 2026
THIS AFTERNOON
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND S 3 FT AT
8 SECONDS.
TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND NE 2 FT AT 4 SECONDS.
SUN
W WINDS 5 TO 10 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT
AT 4 SECONDS AND NE 1 FOOT AT 4 SECONDS.
SUN NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND E 1 FOOT AT
5 SECONDS.
MON AND MON NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND SE 6 FT AT
8 SECONDS.
TUE
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. WAVE DETAIL: SW 7 FT AT 8 SECONDS.
TUE NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
7 TO 10 FT.
WED
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 8 TO
10 FT. A CHANCE OF RAIN.
WED NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
6 TO 9 FT. RAIN LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ232-290600-
NANTUCKET SOUND-
104 PM EDT SAT MAR 28 2026
THIS AFTERNOON
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND S 1 FOOT AT
8 SECONDS.
TONIGHT
NW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND
NE 2 FT AT 4 SECONDS.
SUN
W WINDS 5 TO 10 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 4 SECONDS AND NE 1 FOOT AT 5 SECONDS.
SUN NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND NE 1 FOOT AT
5 SECONDS.
MON AND MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 2 FT AT
9 SECONDS.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SW 2 FT AT 8 SECONDS.
TUE NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
4 TO 6 FT.
WED
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO
6 FT. A CHANCE OF RAIN.
WED NIGHT
W WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. RAIN LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ233-290600-
VINEYARD SOUND-
104 PM EDT SAT MAR 28 2026
THIS AFTERNOON
N WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE
DETAIL: S 2 FT AT 8 SECONDS AND N 1 FOOT AT 4 SECONDS.
TONIGHT
NW WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL: W
2 FT AT 4 SECONDS AND S 2 FT AT 7 SECONDS.
SUN
W WINDS 5 TO 10 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 4 SECONDS AND NE 1 FOOT AT 5 SECONDS.
SUN NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND NE 1 FOOT AT
5 SECONDS.
MON AND MON NIGHT
SW WINDS 20 TO 25 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: SW 4 FT AT 7 SECONDS.
TUE
SW WINDS 20 TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT
AT 8 SECONDS AND SW 2 FT AT 4 SECONDS. A CHANCE OF RAIN.
TUE NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
5 TO 7 FT.
WED
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
7 FT. A CHANCE OF RAIN.
WED NIGHT
W WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. RAIN LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ234-290600-
BUZZARDS BAY-
104 PM EDT SAT MAR 28 2026
THIS AFTERNOON
N WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE
DETAIL: N 2 FT AT 4 SECONDS AND S 1 FOOT AT 8 SECONDS.
TONIGHT
NW WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NW 2 FT AT 3 SECONDS AND NE 1 FOOT AT 3 SECONDS.
SUN
W WINDS 5 TO 10 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 1 FOOT OR LESS, THEN 2 TO 3 FT IN
THE AFTERNOON. WAVE DETAIL: W 1 FOOT AT 4 SECONDS AND NE 1 FOOT
AT 5 SECONDS, BECOMING SW 3 FT AT 4 SECONDS AND NE 1 FOOT AT
5 SECONDS.
SUN NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND NE 1 FOOT AT
5 SECONDS.
MON AND MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SW 4 FT AT
8 SECONDS.
TUE
SW WINDS 20 TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT
AT 8 SECONDS AND SW 3 FT AT 4 SECONDS. A CHANCE OF RAIN.
TUE NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
3 TO 5 FT.
WED
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO
6 FT. A CHANCE OF RAIN.
WED NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT. RAIN LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ235-290600-
RHODE ISLAND SOUND-
104 PM EDT SAT MAR 28 2026
THIS AFTERNOON
NW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 3 FT AT 8 SECONDS AND N 2 FT AT 4 SECONDS.
TONIGHT
NW WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NW 2 FT AT 3 SECONDS AND S 2 FT AT 7 SECONDS.
SUN
W WINDS 5 TO 10 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT
AT 4 SECONDS AND NE 1 FOOT AT 4 SECONDS.
SUN NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND SE 1 FOOT AT
8 SECONDS.
MON AND MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 7 SECONDS.
TUE
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: S 6 FT AT 8 SECONDS AND SW 1 FOOT AT
3 SECONDS. A CHANCE OF RAIN.
TUE NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
5 TO 8 FT.
WED
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 7 TO
8 FT. A CHANCE OF RAIN.
WED NIGHT
NW WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. RAIN LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ237-290600-
BLOCK ISLAND SOUND-
104 PM EDT SAT MAR 28 2026
THIS AFTERNOON
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND NE 2 FT AT
4 SECONDS.
TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE
DETAIL: NW 2 FT AT 3 SECONDS AND S 2 FT AT 7 SECONDS.
SUN
W WINDS 5 TO 10 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 4 SECONDS AND NE 1 FOOT AT 4 SECONDS.
SUN NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 1 FOOT AT
8 SECONDS.
MON AND MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: S 5 FT AT 8 SECONDS AND SW 2 FT AT 4 SECONDS.
A CHANCE OF RAIN.
TUE NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
5 TO 7 FT.
WED
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
8 FT. A CHANCE OF RAIN.
WED NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT. RAIN LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ230-290600-
BOSTON HARBOR-
104 PM EDT SAT MAR 28 2026
THIS AFTERNOON
N WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
TONIGHT
W WINDS 10 TO 15 KT. WAVES AROUND 2 FT.
SUN
SW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
WAVES AROUND 2 FT.
SUN NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES
AROUND 2 FT.
MON AND MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT.
TUE THROUGH WED
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
WAVES 2 TO 3 FT. A CHANCE OF RAIN.
WED NIGHT
NW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. RAIN LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ236-290600-
NARRAGANSETT BAY-
104 PM EDT SAT MAR 28 2026
THIS AFTERNOON
NW WINDS AROUND 10 KT. WAVES AROUND 2 FT.
TONIGHT
NW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
SUN
W WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. WAVES 1 FOOT OR LESS, THEN 2 TO 3 FT
IN THE AFTERNOON.
SUN NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES
2 TO 3 FT.
MON AND MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
WAVES 2 TO 3 FT.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES 2 TO
4 FT. A CHANCE OF RAIN.
TUE NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. WAVES
3 TO 5 FT.
WED
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. WAVES 6 TO
7 FT. A CHANCE OF RAIN.
WED NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES
5 TO 7 FT. RAIN LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON
YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.BOSTON.GOV
YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page